Home / 197,521.70-272,579.07-106,879.27

Finding the Fourth Proportional to 197,521.70, 272,579.07 and 106,879.27

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Solution

The fourth proportional to 197,521.70, 272,579.07 and 106,879.27 is: 147,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,521.70 : 272,579.07 = 106,879.27 : x
  2. Step 2: Convert to fraction form
    197,521.70/272,579.07 = 106,879.27/x
  3. Step 3: Cross multiply
    197,521.70x = 272,579.07 × 106,879.27
  4. Step 4: Simplify right side
    197,521.70x = 29,133,052,018.88
  5. Step 5: Solve for x
    x = 29,133,052,018.88/197,521.70
  6. Step 6: Final answer
    x = 147,492.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.